Pointer for blackboards and maps



(No Model.)

e. M. TARR.

POINTER FORBLAGKBOARDS AND MAPS.

No. 283,041. Patented Aug. 14, 1883.

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UNITED STATES y PATENT. OFFICE.

oHAELES M. TARE, or GLOUCESTER, MASSACHUSETTS.

iPOINTER F'oR BLAoKBoARDs AND MAPS'.

SPECIFICATION forming part 0f Letters Patent No. 283,041, dated August14,` 1883.

Application filed February 13, 1883. (No model.)

To all whom, it may concern:

Be it known that I, CHARLES M. TARR, of Gloucester, 'in the county ofEssex and State of Massachusetts, have invented certain new and usefulImprovements. in Pointers for Blackboards and Maps; and I do herebydeclare the following to be a full, clear, and exactdescription of theinvention, such as will enable others skilled in the art to whichitpertains to make and use it, reference being had to the accompanyingdrawing, which form part of this specification.

My invention relates to an improvement in pointers for 'blackboards andmaps 5 and it con- V,sists in the combination of a rod with asharppointed rubber tip which is applied thereto, as will be more fullydescribed hereinafter.

' The object of my invention is to provide a pointer which can be movedfreely over blackboards, maps, and other similar surfaces without theslightest danger of marring them.

The accompanying drawing represents my invention partly in section.

A represents an ordinary rod or pointer7 such as is used `in connectionwith blackboards, maps, and charts of all kinds, and Ba softsharp-pointed rubber tip, which is applied toits end in any suitablemanner.

be preferred.

' As this tip is sharp-pointed it can lbe used to point out gures uponthe blackboard or places upon the map, or used in connection with chartsof any kind without the slightest 4o fear of marring or breaking itssurface, as is always the case With pointers made of wood or i othersimilar material. y y

Having thus described my invention, I claim-- The combination of apointer withasharppointed soft-rubber tip, which is applied there to,substantially as shown and described.

In testimony whereof I affix my signature in presence of two witnesses.

- CHARLES M. TARE.

Witnesses S. O. SAVILLE, l WILLIAM H. DENNEN.

